Cosmic trilogy

Mars, inhabited by the mysterious semi-lodges-after the afternoon ...
The beautiful Venus, which is in a mysterious danger ...
the earth, facing crazy scientists in almost Kafkian technocratic blood pressure ...
The innumerable multicolor of alien cultures, humanoid and inhumanoid. .
The world in which Arthurian characters are adjacent to spaceships, and Christian angels and demons are with representatives of the strangers ...
In his space trilogy, Klave Steiplz Lewis first in world literature in one work science fiction, space opera, fantasy and philosophical parable. And it is precisely this unconditional innovation that provides the novels of the trilogy with a deservedly high place in the history of science fiction